Dell Latitude 9430 2-in-1 Service Manual page 25

Steps
1. Loosen the single captive (M2x3) screw securing the WWAN-card bracket to the system board.
2. Lift the WWAN-card bracket out of the system.
3. Disconnect the antenna cables from the connectors on the WWAN card.
4. Using a plastic scribe pry open the WWAN card shielding cover from the bottom edge of the WWAN card shielding cover.
5. Using a plastic scribe, pry open the WWAN card shield covering the WWAN card.
6. Lift the WWAN card shielding cover out of the system.
7. Slide and remove the WWAN card from the WWAN-card slot.
Removing and installing components 25